/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.sedona.viz;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import org.apache.spark.api.java.function.FlatMapFunction;
import org.locationtech.jts.geom.Coordinate;
import org.locationtech.jts.geom.Geometry;
import org.locationtech.jts.geom.GeometryFactory;
import org.locationtech.jts.geom.LineString;
import org.locationtech.jts.geom.Point;

// TODO: Auto-generated Javadoc

/** The Class NYCTripPointMapper. */
class NYCTripPointMapper implements FlatMapFunction<String, Object> {

  /** The result. */
  List<Point> result = new ArrayList<Point>();

  /* (non-Javadoc)
   * @see org.apache.spark.api.java.function.FlatMapFunction#call(java.lang.Object)
   */
  public Iterator call(String line) throws Exception {
    try {
      List result = new ArrayList<LineString>();
      Geometry spatialObject = null;
      List<String> lineSplitList = Arrays.asList(line.split(","));
      Coordinate coordinate =
          new Coordinate(
              Double.parseDouble(lineSplitList.get(5)), Double.parseDouble(lineSplitList.get(6)));
      GeometryFactory geometryFactory = new GeometryFactory();
      result.add(geometryFactory.createPoint(coordinate));
      return result.iterator();
    } catch (NumberFormatException e) {
      return result.iterator();
    } catch (ArrayIndexOutOfBoundsException e) {
      System.out.println(line);
      // e.printStackTrace();
    }

    return result.iterator();
  }
}
